|
INVESTIGATIONS
|
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
Colour |
Location |
Info |
ne min |
ne max |
no min |
no max |
Spectrum |
UVS |
UVL |
Reference |
|
synthetic greenockite |
|
|
|
|
4.7 |
4.7 |
orange |
|
1.26ct |
|
|
|
|
|
strong orange |
weak orange |
ACAM lab
4155 |
|
synthetic greenockite |
|
|
|
|
4.825 |
4.829 |
|
|
|
|
|
|
|
nearly complete absorption below 525nm |
inert |
very weak orange |
The Journal of Gemmology 1970 N°4,p127 |
TABLES
|
Stone |
RI
min |
RI
max |
Biref
min |
Biref
max |
Dens
min |
Dens
max |
ne
min |
ne
max |
no
min |
no
max |
Reference |
|
Synthetic greenockite |
2.5 |
2.5 |
|
|
4.73 |
4.79 |
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
|
Synthetic greenockite |
2.505 |
2.529 |
0.024 |
0.024 |
4.73 |
4.9 |
2.529 |
2.529 |
2.505 |
2.505 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
|
Greenockite |
2.505 |
2.529 |
0.024 |
0.024 |
4.83 |
4.9 |
|
|
|
|
Gems, R Webster, 5th edition 1994 |
|
Synthetic greenockite |
2.506 |
2.529 |
0.023 |
0.023 |
4.77 |
4.79 |
2.529 |
2.529 |
2.506 |
2.506 |
Gemmological Tables, Ulrich Henn,
2004 |
|
Greenockite |
2.506 |
2.529 |
0.023 |
0.023 |
4.7 |
4.9 |
|
|
|
|
Tables of Gemstone Identification, Roger Dedeyne,
Ivo Quintens, 2007 |
|
Synthetic greenockite |
|
|
|
|
4.9 |
4.9 |
|
|
|
|
John Sinkakas, Gemstone and mineral data
book,1972 |
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
LOCALITIES
CHEMICAL DATA